Peter, agreed. If your into early American kart Franks book is a must have.

Louie, got it right,

The 1 1/4" mounts were used on the J and K series American karts with the splined knock off rear axle.

A sleeve could be put in to drop it down to 1" though.

R.E.A.R.

IMG_20260606_123457969_HDR.jpg There on there way....sort of. If you are waiting to purchase a copy of Frank Weirs book Pioneering American Karts they are in the states but are currently tied up in customs. Once the book is released they will be going to Max-Torque where Jim Donavon will be handlin...

Lets all take this day to say "Thank You" to all the men and woman who have given the ultimate sacrifice so we can enjoy the freedoms we have toady.

R.E.A.R.

.

What was the original construction technique, did it have a sleeve ? Almost would think this is a failure waiting to happen.

R.E.A.R.

.

Rear Engine American Racers will be hosting THE BIG ONE in 2026. The 25th. annual running of THE BIG ONE will once again take place on Labor Day weekend Friday September 4th. thru Sunday September 6th. 2026 at Fremont Raceway Park in Fremont Ohio. This year's event will add another year to our histo...

.

Really surprised that Rupp came out with the RMX 125 especially since Ohio is the home of Penton. Although the Rupp shared the same engine and gas tank shape and quite a few quality components as the Penton it was viewed as nothing more then a Penton copy that had no mx or enduro pedigree.

R.E.A.R.